The Marksman II is sensitive enough to detect leaks from orifices as small as 0.004 inches at 5 psi from a distance of 12 inches. An Internal Noise Control feature buffers ambient noise, allowing for use even in extremely noisy environments.

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The Marksman II comes with an ultrasonic receiver, headphones, hollow air probe, solid contact probe and an ultrasonic emitter that helps locate faulty seals, gaskets and weatherstripping in passenger cabs, trailers and other non-pressurized enclosures. All components are packed in a sturdy carrying case.